20477367

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{4957}}^1$

素因数の和:4989

約数の個数: 24

約数和(自身を含む): 32484816

約数和(自身を除く): 12007449

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 4957, 14871, 44613, 84269, 133839, 252807, 401517, 758421, 1204551, 2275263, 6825789, 20477367]

約数ペア:

[(1, 20477367), (3, 6825789), (9, 2275263), (17, 1204551), (27, 758421), (51, 401517), (81, 252807), (153, 133839), (243, 84269), (459, 44613), (1377, 14871), (4131, 4957)]